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Flight Reliability

HA 633 · Hawaiian Airlines

Seattle → Honolulu (SEA–HNL)

50
A Little Dicey
WanderNerd Reliability Score
59%
Arrive within 15 minutes
43 min
Average arrival delay
0%
Cancelled
10 min
Median arrival delay

Based on 147 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

HA 633 arrived on time 67% of the time on Mondays and just 38% on Sundays. That gap is worth planning around.

Lagging the SEA–HNL route.

HA 633 arrived on time 59% of the time, versus 66% across the SEA–HNL route.

Well behind the Hawaiian Airlines network.

HA 633 arrived on time 59% of the time, versus 83% across the Hawaiian Airlines network.

It basically never cancels.

Out of 147 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon67%(21 flights)
  • Tue62%(21 flights)
  • Wed57%(21 flights)
  • Thu67%(21 flights)
  • Fri67%(21 flights)
  • Sat52%(21 flights)
  • Sun38%(21 flights)
On-time trend by month
88%
Oct

Jun 47% → Oct 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%30
July 202542%31
August 202542%31
September 202580%30
October 202588%25
Departures on time
52%
Diverted
0%
Flights flown
147
Months covered
5

Same route, other flights

Keep nerding

Based on 147 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.